Alerts from NWS Missoula MT (UNOFFICIAL)
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Alerts from NWS Missoula MT (UNOFFICIAL)
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Hydrologic Outlook issued December 12 at 11:28AM MST by NWS Missoula MT
Additional Details Here.
ESFMSO WESTERN MONTANA AND NORTH-CENTRAL IDAHO A prolonged Atmospheric River is expected to impact Western Montana and North-Central Idaho from Monday through Wednesday, bringing moderate to heavy precipitation. Snow levels are anticipated to start around 7,000 feet on Monday before falling to valley floors behind a cold front early Wednesday. The most likely rainfall scenario forecasts 1 to 2 inches for the valleys of Lincoln, Mineral, Sanders in western Montana and Clearwater, and Idaho counties in Idaho. 2 to 3 inches expected in the mountains of northwest Montana and north-central Idaho. Areas further south and east in western Montana will likely see 1 inch or less. A high-end scenario could bring totals 1 to 2 inches higher than the estimates given above. Due to already saturated ground, particularly in northwest Montana, this rainfall increases the risk of rock and landslides, stream and river rises, and minor flooding. Continue to monitor the latest forecast updates as this system approaches.
December 12, 2025 at 6:30 PM
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Winter Weather Advisory issued December 11 at 12:40PM MST until December 13 at 5:00AM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Mixed precipitation expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 4 inches generally above 4000 feet, locally up to 8 inches on Marias Pass. Ice accumulations around a light glaze. * WHERE...Bad Rock Canyon, Glacier National Park, Marias Pass, Essex, Highway 83 Bigfork to Swan Lake, and Polebridge. * WHEN...From midnight tonight to 5 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Watch for brief but intense snow showers quickly dropping visiibility. Also, light freezing rain may impact US-2 from Essex to West Glacier.
December 11, 2025 at 7:45 PM
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🚨 Flood Warning issued December 11 at 12:15PM MST until December 11 at 5:00PM MST by NWS Missoula MT 🚨
Additional Details Here.
* WHAT...Flooding caused by excessive rainfall and high mountain snow melt is occurring. * WHERE...A portion of northwest Montana, including the following county, Lincoln. Highway 2 through Troy and Libby. * WHEN...Until 500 PM MST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. * ADDITIONAL DETAILS... - At 1214 PM MST, emergency management reported heavy rain and snowmelt in the warned area. Flooding is already occurring. - Some roads are closed in and around Libby and Troy. Homes have been effected due to flooding along Iron Creek and in Libby. - Some locations that will experience flooding include... Libby, Troy, Yaak, Yakt. - Highway 2 through Troy and Libby. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 7:30 PM
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🚨 Flood Warning issued December 11 at 11:46AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The Flood Warning continues for the following rivers in Montana... Yaak River Near Troy affecting Lincoln County. For the Yaak River...including Near Troy...Minor flooding is forecast. * WHAT...Flooding is ongoing, with road closures and impacts to homes. * WHERE...Yaak River near Near Troy. * WHEN...Until further notice. * IMPACTS...At 8.0 feet, Flooding affects low lying areas adjacent to the river. At 8.5 feet, Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite Ranger Station Road and Upper Ford Road affected by flooding. * ADDITIONAL DETAILS... - At 10:45 AM MST Thursday the stage was 8.3 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM MST Thursday was 8.3 feet. - Forecast...The river will rise to 8.9 feet late this afternoon. It will then fall below flood stage tomorrow morning to 5.7 feet Monday afternoon. It will rise to 6.5 feet early Wednesday morning. It will then fall again and remain below flood stage. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 7.8 feet on 05/21/2020. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 7:00 PM
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🚨 Flood Warning issued December 11 at 11:51AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The Flood Warning continues for the following rivers in Montana... Fisher River Near Libby affecting Lincoln County. * WHAT...Minor flooding is ongoing. * WHERE...Fisher River near Near Libby. * WHEN...Until further notice. * IMPACTS...At 7.5 feet, Flooding affects low lying areas adjacent to the river. Flooding also causes minor washouts along Fisher River Road. At 9.0 feet, Flooding affects low lying homes and roads adjacent to the river. Flooding affects Fisher River Road and several flood prone areas along the road. * ADDITIONAL DETAILS... - At 10:45 AM MST Thursday the stage was 7.2 feet. - Bankfull stage is 7.5 feet. - Forecast...The river will rise to flood stage late tonight. It will then fall to 5.4 feet late Monday evening. It will rise to 6.2 feet late Wednesday evening. It will then fall again and remain below flood stage. - Flood stage is 7.5 feet. - Flood History...This crest compares to a previous crest of 6.7 feet on 06/16/2022. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 7:00 PM
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🚨 Flood Warning issued December 11 at 8:09AM MST until December 11 at 4:45PM MST by NWS Missoula MT 🚨
Additional Details Here.
* WHAT...Small stream flooding caused by excessive rainfall is expected or occurring. * WHERE...A portion of northwest Montana, including the following county, Sanders. Highway 56 near Bull Lake. * WHEN...Until 445 PM MST Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 806 AM MST, emergency management reported heavy rain in the warned area. Flooding is already occurring. - Highway 56 near Bull Lake has been closed due to water on the road, per reports from the Montana Department of Transportation. - Highway 56 near Bull Lake. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 3:15 PM
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🚨 Flood Warning issued December 11 at 7:14AM MST until December 11 at 4:30PM MST by NWS Missoula MT 🚨
Additional Details Here.
* WHAT...Flooding caused by excessive rainfall and high mountain snow melt is occurring. * WHERE...Lincoln County in Northwest Montana. Highway 2 through Troy and Libby. * WHEN...Until 430 PM MST Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. * ADDITIONAL DETAILS... - At 708 AM MST, emergency management reported heavy rain and snowmelt in the warned area. Flooding is already occurring. - Some roads are closed in and around Libby and Troy. Some homes have been effected due to flooding along Iron Creek. - Some locations that will experience flooding include... Libby, Troy, Yaak, Yakt. - Highway 2 through Troy and Libby. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 2:30 PM
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🚨 Flood Warning issued December 11 at 7:04AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The Flood Warning is extended for the following rivers in Montana... Yaak River Near Troy affecting Lincoln County. For the Yaak River...including Near Troy...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Yaak River near Near Troy. * WHEN...From this morning until further notice. * IMPACTS...At 8.0 feet, Flooding affects low lying areas adjacent to the river. At 8.5 feet, Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite Ranger Station Road and Upper Ford Road affected by flooding. * ADDITIONAL DETAILS... - At 6:45 AM MST Thursday the stage was 7.8 feet. - Bankfull stage is 7.5 feet. - Forecast...The river will rise above flood stage this morning to 8.9 feet late this afternoon. It will then fall below flood stage just after midnight tonight to 3.9 feet Monday afternoon. It will rise to 5.2 feet late Wednesday morning. It will then fall again and remain below flood stage. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 7.8 feet on 05/21/2020. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 2:15 PM
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🚨 Flood Warning issued December 11 at 6:55AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The Flood Warning is extended for the following rivers in Montana... Fisher River Near Libby affecting Lincoln County. .Heavy rain will fall on a deep primed snowpack leading to the melt increasing. Flows in rivers will increase quickly and reach critical levels. For the Fisher River...including Near Libby...Minor flooding is forecast. * WHAT...Flooding is occurring and is expected to continue through this afternoon and evening. * WHERE...Fisher River near Near Libby. * WHEN...From this morning until further notice. * IMPACTS...At 7.5 feet, Flooding affects low lying areas adjacent to the river. Flooding also causes minor washouts along Fisher River Road. At 9.0 feet, Flooding affects low lying homes and roads adjacent to the river. Flooding affects Fisher River Road and several flood prone areas along the road. * ADDITIONAL DETAILS... - At 5:45 AM MST Thursday the stage was 6.7 feet. - Bankfull stage is 7.5 feet. - Forecast...The river will rise above flood stage late this evening to 7.6 feet late tonight. It will then fall below flood stage late tomorrow morning to 5.5 feet early Tuesday morning. It will rise to 5.9 feet Wednesday afternoon. It will then fall to 5.3 feet Friday, December 19. It will then rise again but remain below flood stage. - Flood stage is 7.5 feet. - Flood History...This crest compares to a previous crest of 6.7 feet on 06/16/2022. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 2:00 PM
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Wind Advisory issued December 11 at 6:14AM MST until December 11 at 1:00PM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Southwest winds 10 to 20 mph with gusts up to 45 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 1 PM MST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...West winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Butte/Blackfoot Region. * WHEN...Until 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...West winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Flathead/Mission Valleys, Kootenai/Cabinet Region, West Glacier Region, and Potomac/Seeley Lake Region. * WHEN...Until 8 AM MST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
December 11, 2025 at 1:30 PM
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🚨 Flood Warning issued December 11 at 6:17AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The National Weather Service in Missoula MT has issued a Flood Warning for the following rivers in Montana... Fisher River Near Libby affecting Lincoln County. .Heavy rain will fall on a deep primed snowpack leading to the melt increasing. Flows in rivers will increase quickly and reach critical levels. For the Fisher River...including Near Libby...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Fisher River near Near Libby. * WHEN...From this evening until further notice. * IMPACTS...At 7.5 feet, Flooding affects low lying areas adjacent to the river. Flooding also causes minor washouts along Fisher River Road. At 9.0 feet, Flooding affects low lying homes and roads adjacent to the river. Flooding affects Fisher River Road and several flood prone areas along the road. * ADDITIONAL DETAILS... - At 5:45 AM MST Thursday the stage was 6.7 feet. - Bankfull stage is 7.5 feet. - Forecast...The river will rise above flood stage late this evening to 7.6 feet late tonight. It will then fall below flood stage late tomorrow morning to 5.5 feet early Tuesday morning. It will rise to 5.9 feet Wednesday afternoon. It will then fall to 5.3 feet Friday, December 19. It will then rise again but remain below flood stage. - Flood stage is 7.5 feet. - Flood History...This crest compares to a previous crest of 6.7 feet on 06/16/2022. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 1:30 PM
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🚨 Flood Warning issued December 11 at 3:29AM MST by NWS Missoula MT 🚨
Additional Details Here.
...The National Weather Service in Missoula MT has issued a Flood Warning for the following rivers in Montana... Yaak River Near Troy affecting Lincoln County. For the Yaak River...including Near Troy...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Yaak River near Near Troy. * WHEN...From this afternoon until further notice. * IMPACTS...At 8.0 feet, Flooding affects low lying areas adjacent to the river. At 8.5 feet, Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite Ranger Station Road and Upper Ford Road affected by flooding. * ADDITIONAL DETAILS... - At 2:45 AM MST Thursday the stage was 6.6 feet. - Bankfull stage is 7.5 feet. - Forecast...The river will fall to 6.3 feet early this morning. It will then rise above flood stage late this afternoon to 8.5 feet late this evening. It will fall below flood stage tomorrow morning to 5.4 feet early Tuesday morning. It will then rise to 6.1 feet late Wednesday morning. It will fall again and remain below flood stage. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 7.8 feet on 05/21/2020. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 10:45 AM
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Flood Advisory issued December 11 at 12:33AM MST until December 11 at 5:00PM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Flooding caused by rain and snowmelt is occurring. * WHERE...A portion of northwest Montana, including the following county, Lincoln. * WHEN...Until 500 PM MST Thursday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1233 AM MST, emergency management reported flooding in the advisory area. - https://www.weather.gov/mso/hydrology
December 11, 2025 at 7:45 AM
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Wind Advisory issued December 10 at 6:13PM MST until December 10 at 11:00PM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Southwest winds 10 to 20 mph with gusts up to 40 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 11 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...Southwest winds 15 to 25 mph with gusts up to 60 mph. * WHERE...Flathead/Mission Valleys, Kootenai/Cabinet Region, West Glacier Region, and Potomac/Seeley Lake Region. * WHEN...Until 8 AM MST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...Southwest winds 15 to 25 mph with gusts up to 55 mph. * WHERE...Butte/Blackfoot Region. * WHEN...Until 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
December 11, 2025 at 1:15 AM
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Wind Advisory issued December 10 at 12:45PM MST until December 11 at 8:00AM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Southwest winds 15 to 25 mph with gusts up to 60 mph expected. Valleys are expected to gust 30-40 mph with stronger gusts at higher elevations. Winds will be very erratic. * WHERE...Flathead/Mission Valleys, Kootenai/Cabinet Region, West Glacier Region, and Potomac/Seeley Lake Region. * WHEN...Until 8 AM MST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...South winds 10 to 20 mph with gusts up to 45 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Butte/Blackfoot Region. * WHEN...Until 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
December 10, 2025 at 8:00 PM
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Hydrologic Outlook issued December 10 at 12:33PM MST by NWS Missoula MT
Additional Details Here.
ESFMSO The flood watch has been cancelled, but hydrologic impacts remain a minor threat through Friday morning. The break in the rain is allowing creeks and streams to flush out and build capacity for the next round of moisture tomorrow. This next round will still cause an increased risk of rock falls and some ponding of water in low lying areas. Warm overnight temperatures will cause some snow melt in addition to another round of rain coming in. So further stream and river rises are expected, but at this time we do not expect further rises to measure up to the level of floods.
December 10, 2025 at 7:45 PM
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🚨 The Flood Watch has been cancelled. 🚨
Additional Details Here.
The Flood Watch has been cancelled and is no longer in effect. Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of panhandle Idaho, including the following county, Clearwater. * WHEN...Through Thursday afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - https://www.weather.gov/mso/hydrology Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of northwest and west central Montana, including the following counties, in northwest Montana, Flathead, Lake, Lincoln and Sanders. In west central Montana, Mineral. * WHEN...Through Thursday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - https://www.weather.gov/mso/hydrology
December 10, 2025 at 7:30 PM
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Avalanche Warning issued December 10 at 8:44AM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 07:00 PST Wed Dec 10 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County) * WHAT...An Avalanche Warning is in effect from Wednesday 7 AM to Thursday 7 AM. Very dangerous avalanche conditions will reemerge from another round of heavy rain and strong winds - this time climbing up to 8,000 feet. It will be very easy to trigger avalanches large enough to bury or kill you, and many will release spontaneously. Avoid travel in avalanche terrain during this period. * WHERE...The Selkirk Mountains, and West and East Cabinet Mountains above 4,000 feet. * WHEN...In effect from Wed 07:00 PST to Thu 07:00 PST. * IMPACTS...The next potent atmospheric river will deliver copious amounts of rain to an already stressed snowpack across the mountains of North Idaho and Northwestern Montana. The rain line will spike to around 8,000 feet on Wednesday and quickly overload buried weak snow layers. It will be very likely for backcountry travelers to trigger dangerous avalanches and natural avalanches are likely. Avalanches will break wide across terrain features and run long distances to lower elevation slopes. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Travel in, near, or below avalanche terrain is not recommended during this period. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
December 10, 2025 at 3:45 PM
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Wind Advisory issued December 10 at 1:16AM MST until December 10 at 7:00PM MST by NWS Missoula MT
Additional Details Here.
* WHAT...South to southeast winds 15 to 20 mph with gusts up to 45 mph expected. The strongest gusts are expected in the Bitterroot valley. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 8 AM this morning to 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Butte/Blackfoot Region. * WHEN...From 8 AM this morning to 7 PM MST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
December 10, 2025 at 8:30 AM
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Avalanche Warning issued December 9 at 11:53AM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING BY THE IDAHO PANHANDLE AVALANCHE CENTER REMAINS IN EFFECT... The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County) * WHAT...An Avalanche Warning remains in effect until Wednesday 4 AM. Very dangerous avalanche conditions developed overnight and will last though Tuesday as heavy, wet snowfall transitioned to heavy rain along with strong winds. * WHERE...The Selkirk Mountains, West and East Cabinet Mountains, and the Silver Valley-Bitterroot Mountains. * WHEN...In effect from Tue 6:00 PST to Wed 4:00 PST. * IMPACTS... A potent atmospheric river characterized by near- historic moisture is introducing a "firehose" of moisture into North Idaho and Northwestern Montana. The rain line rose to around 7,000 to 7,500 feet overnight Monday and will saturate recent snowfall and overload pre-existing weak snow layers. It will be very likely for backcountry travelers to trigger avalanches and natural avalanches are likely. Avalanches can break wide across terrain features and run long distances to lower elevations. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Travel in avalanche terrain is not recommended during this period. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
December 9, 2025 at 7:00 PM
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Avalanche Warning issued December 9 at 9:04AM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 16:00 PST Mon Dec 08 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) * WHAT...THIS IS ONLY A TEST - DISREGARD. WE'RE ATTEMPTING TO TROUBLESHOOT EMAIL SENDING ERRORS. * WHERE...THIS IS ONLY A TEST - DISREGARD. WE'RE ATTEMPTING TO TROUBLESHOOT EMAIL SENDING ERRORS. * WHEN...In effect from Mon 16:00 PST to Tue 16:00 PST. * IMPACTS...THIS IS ONLY A TEST - DISREGARD. WE'RE ATTEMPTING TO TROUBLESHOOT EMAIL SENDING ERRORS. * PRECAUTIONARY / PREPAREDNESS ACTIONS...THIS IS ONLY A TEST - DISREGARD. WE'RE ATTEMPTING TO TROUBLESHOOT EMAIL SENDING ERRORS. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
December 9, 2025 at 4:15 PM
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Avalanche Warning issued December 9 at 5:34AM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of Flathead Avalanche Center Hungry Horse MT. ...AVALANCHE WARNING ISSUED BY THE FLATHEAD AVALANCHE CENTER... 06:00 MST Tue Dec 09 2025 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001)...MTZ002 (MTZ002) * WHAT...Heavy rain, heavy snowfall, strong winds, and above-freezing temperatures have created very dangerous avalanche conditions. * WHERE...The Whitefish, Swan, and Flathead Ranges, as well as the Apgar Mountains, Lake McDonald Valley, and Marias Pass areas of Glacier National Park. * WHEN...In effect from Tue 06:00 MST to Wed 05:00 MST. * IMPACTS...Large to very large natural avalanches are likely on mid- and upper-elevation slopes; they may involve wet snow or dense slabs of new and wind-drifted snow. These slides can run into low elevation terrain and valley bottoms, including terrain where it doesn't appear to be enough snow cover for avalanche hazards. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions. Travel in and below avalanche terrain is not recommended. Avalanches may run long distances and can run into mature forests, valley floors, or flat terrain. Consult http://www.flatheadavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
December 9, 2025 at 12:45 PM
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Winter Weather Advisory issued December 9 at 12:42AM MST until December 10 at 11:00AM MST by NWS Missoula MT
Additional Details Here.
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 2 to 5 inches. * WHERE...Marias Pass, Highway 83 Bigfork to Swan Lake, Highway 83 Seeley Lake to Condon, Glacier National Park, Highway 200 Bonner to Greenough, Polebridge, Essex, I-90 East Missoula to Bearmouth, and Bad Rock Canyon. * WHEN...From midnight tonight to 11 AM MST Wednesday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Difficult traveling conditions. Use extra caution while driving. The difficult conditions could impact the Wednesday morning commute, especially over higher passes. * ADDITIONAL DETAILS...Snowfall rates of 1 inch per hour will be possible between 4am and 7am
December 9, 2025 at 7:45 AM
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Avalanche Warning issued December 8 at 6:01PM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 16:00 PST Mon Dec 08 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County) * WHAT...An Avalanche Warning is in effect from Monday 4 PM to Tuesday 4 PM. Very dangerous avalanche conditions will develop overnight and last though Tuesday as heavy, wet snowfall transitions to heavy rain along with strong winds. You can very easily trigger avalanches large enough to bury or kill you, and some will release spontaneously. Avoid travel in avalanche terrain during this period. * WHERE...The Selkirk Mountains, West and East Cabinet Mountains, and the Silver Valley-Bitterroot Mountains above 4,000 feet. * WHEN...In effect from Mon 16:00 PST to Tue 16:00 PST. * IMPACTS...A potent atmospheric river characterized by near-historic moisture will introduce a firehose of moisture into North Idaho and Northwestern Montana. The rain line will rise to around 7,000 to 7,500 feet overnight Monday and will saturate recent snowfall and overload pre- existing weak snow layers. It will be very likely for backcountry travelers to trigger avalanches and natural avalanches are likely. Avalanches can break wide across terrain features and run long distances to lower elevations. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Travel in avalanche terrain is not recommended during this period. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
December 9, 2025 at 1:15 AM
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Avalanche Warning issued December 8 at 5:54PM MST by NWS Missoula MT
Additional Details Here.
AVWMSO The following message is transmitted at the request of .
December 9, 2025 at 1:00 AM